Math Practice
x
2
+ 4x − 21 = 0
8x
2
− 4x − 12 = 0
x
2
− 11x + 24 = 0
x
2
+ 5x − 36 = 0
6x
2
+ 35x + 49 = 0
4x
2
+ 34x + 16 = 0